#B73023#B73023

#B73023 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.8% C 0.174 H 29.7°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#B73023
RGB	rgb(183, 48, 35)
HSL	hsl(5, 68%, 43%)
HSV	hsv(5, 81%, 72%)
CMYK	cmyk(0%, 73.8%, 80.9%, 28.2%)
CIE-LAB	lab(41.70, 53.05, 39.99)
CIE-LCH	lch(41.70, 66.44, 37.01°)
OKLab	oklab(51.78% 0.151 0.0861)
OKLCH	oklch(51.78% 0.174 29.7)
XYZ	xyz(20.8913, 12.3058, 2.8650)
Luminance	0.1230 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73023 #23AAB7

analogous

#B72360 #B73023 #B77A23

triadic

#B73023 #23B730 #3023B7

tetradic

#B73023 #60B723 #23AAB7 #7A23B7

square

#B73023 #60B723 #23AAB7 #7A23B7

split-complementary

#B73023 #23B77A #2360B7

monochromatic

#50150F #842319 #B73023 #DA4B3D #E47B71

Accessibility & contrast

On white

6.07

#B73023 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#B73023 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73023

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73023	#FFFFFF	#000000	##FFFFFF
##B73023	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594F20

Deuteranopia (green-blind)

#7A6D1D

Tritanopia (blue-blind)

#CA002E

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b73023;
/* rgb */ color: rgb(183, 48, 35);
/* oklch */ color: oklch(51.8% 0.174 29.7);

Tailwind

colors: {
  custom: {
    50: '#d6725f',
    500: '#b73023',
    950: '#000000',
  },
}

SCSS

$custom: #b73023;
$custom-light: #d6725f;
$custom-dark: #000000;

JSON

{
  "hex": "#b73023",
  "rgb": {
    "r": 183,
    "g": 48,
    "b": 35
  },
  "hsl": {
    "h": 5.27,
    "s": 67.89,
    "l": 42.745
  },
  "oklch": {
    "l": 0.51777,
    "c": 0.17382,
    "h": 29.7
  },
  "luminance": 0.12303
}

Semantic roles & 50–950 ramp

primary

#B73023

secondary

#6BC2CA

accent

#DCEB3D

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160905

muted

#847B79

Preview Lab

Preview with #B73023

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →